Home
Class 12
PHYSICS
A sphere and a cube of same material and...

A sphere and a cube of same material and same total surface area are placed in the same evacuated space turn by turn after they are heated to the same temperature. Find the ratio of their initial rates of cooling in the enclosure.

A

`sqrt((pi)/(6) ) : 1`

B

`sqrt((pi)/(3)) :1`

C

`(pi)/(sqrt(6)):1`

D

`(pi)/(sqrt(3)):1`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A solid sphere and a hollow sphere of the same material and of equal radii are heated to the same temperature.

A solid sphere and a hollow sphere of the same material and of equal radii are heated to the same temperature

An equilateral triangle and a regular hexagon has same perimeter. Find the ratio of their areas.

Two balls of same material and same surface finish have their diameters in the ratio 1:2. They are heated to the same temperature and are left in a room to cool by radiation, then the initial rate of loss of heat

Two solid spheres of radii R_(1) and R_(2) are made of the same material and have similar surfaces. These are raised to the same temperature and then allowed to cool under identical conditions. The ratio of their initial rates of loss of heat are

A solid cube and a solid sphere of the same material have equal surface area. Both are at the same temperature 120^(@)C , then

A solid cube and a solid sphere of the same material have equal surface area. Both are at the same temperature 120^(@)C , then

A sphere and a cube of same material and same volume are heated up to same temperature and allowed to cool in the same sorroundings. The radio of the amounts of radiations emitted in equal time intervals will be

A solid sphere and a hollow sphere are heated the same temperature . Point out the true statement.

A sphere, a cube and a thin circular plate, all of same material and same mass are initially heated to same high temperture.